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Finding the Fourth Proportional to 117,608.36, 162,300.68 and 63,893.80

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Solution

The fourth proportional to 117,608.36, 162,300.68 and 63,893.80 is: 88,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,608.36 : 162,300.68 = 63,893.80 : x
  2. Step 2: Convert to fraction form
    117,608.36/162,300.68 = 63,893.80/x
  3. Step 3: Cross multiply
    117,608.36x = 162,300.68 × 63,893.80
  4. Step 4: Simplify right side
    117,608.36x = 10,370,007,187.78
  5. Step 5: Solve for x
    x = 10,370,007,187.78/117,608.36
  6. Step 6: Final answer
    x = 88,174.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.